1
QUICKSILVER DISTILLATION.
427; 429; 430; 431; 432
RAG AND CHAIN PUMPS
191; 193; 194; 195; 197
RAMMERS FOR FIRE-CLAY
377; 383
RING-FIRE, FOR PARTING WITH SULPHUR
449
ROASTING (see also
Heap and Stall
Roasting)
278; 350; 351; 274; 275; 276
ROSETTE COPPER MAKING
537
SALT.
Boiling
549; 554; 555
Caldron
551; 553
Evaporated on faggots
556
Pans
547
Wells
549
SALTPETRE MAKING
563
SAXON LEAD FURNACE
393
SCORIFIER
229
SEAMS IN THE ROCKS
54; 55; 56; 60; 72
SHAFTS.
Inclined
104
Timbering
123
Vertical
103; 105
SHEARS FOR CUTTING METAL
269
SHIELD FOR MUFFLE FURNACE
241
SIFTING ORE
287; 288; 289; 291; 292; 293; 311; 342
SILVER.
Cakes, Cleansing of
476; 488
Refining
484; 485; 486; 489
SLEIGH FOR ORE
168
SLUICING TIN
337; 338; 340; 343
SMELTER, PLAN OF BUILDING
361
SODA MAKING
561
SORTING ORE
268; 270
SPALLING ORE
270; 271; 272
STALL ROASTING.
Matte
350; 351
Ore
274; 276
STAMP-MILL
284; 286; 287; 299; 313; 320; 321; 373
For breaking copper cakes
501
STAMPS
285
STEEL FURNACE
425
STRAKE
302; 303; 305; 304; 307; 341; 342; 345
Canvas
303; 309; 317; 321; 329
STREAMING FOR TIN
318
STRINGERS.
Associated
71
Fibra dilatata
71
Fibra incumbens
71
Oblique
71
Transverse
71
SURVEYING.
Rods
138A
Shafts and Tunnels
131
Triangles
133; 134; 135; 136; 137; 139; 140
SUCTION PUMPS (see
Pumps).
SULPHUR MAKING
579; 581
TAP-HOLES IN FURNACES
389
TAPPING-BAR
383; 385
“TESTS” FOR REFINING SILVER
384; 485
TIMBERING.
Shafts
123
Tunnels
125
TIN.
Bars
415
Burning
349
Refining
418
Smelting
415; 419
TOUCH-NEEDLES
255
TRAYS FOR WASHING ALLUVIAL
334
TREAD WHIM
163
TROUGH
159
For washing alluvial
335; 348
TRUCKS
156
TUNNELS
103; 104; 105; 120
Timbering
125
VEINS.
Barren
73
Beginning of
69
Cavernous
73
Curved
61
End of
69
Head of
69
Horizontal
61
Intersections of
64; 65; 66; 67; 68
Solid
73
Strike of
62; 63
Vena cumulata
49; 70
Vena dilatata
45; 50; 54; 60; 61; 68; 69
Vena profunda
45; 50; 53; 61; 62; 63; 64; 68
VENTILATING WITH DAMP CLOTH (see also Bellows, Fans, and Wind-sails)
212
VITRIOL MAKING
567; 574; 575; 576; 577
WAGONS, FOR HAULING ORE
170
WASHING ORE (see
Sifting Ore).
WATER TANKS, UNDER FURNACES
358
WEDGES
150
WEIGHTS, FOR ASSAY BALANCES
262
WESTPHALIAN LEAD SMELTING
393
WHEELBARROWS
155
WHIMS.
Horse
165; 167
Tread
163
WINDLASSES
161; 162; 171
WINDS, DIRECTION OF
59
WINDSAILS FOR VENTILATION
201; 202; 203